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- PDB-3kli: Crystal structure of unliganded AZT-resistant HIV-1 Reverse Trans... -

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Basic information

Entry
Database: PDB / ID: 3kli
TitleCrystal structure of unliganded AZT-resistant HIV-1 Reverse Transcriptase
Components
  • Reverse transcriptase/ribonuclease H
  • p51 RT
KeywordsTRANSFERASE / REVERSE TRANSCRIPTASE / AZT RESISTANCE MECHANISM / P51/P66 / HETERO DIMER / NUCLEOSIDE INHIBITOR / AIDS / HIV / DNA RECOMBINATION / RNA-DIRECTED DNA POLYMERASE / DNA POLYMERASE / MULTIFUNCTIONAL ENZYME / AZT / AZT RESISTANCE / NRTI / AZT RESISTANCE MUTATIONS
Function / homology
Function and homology information


HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / exoribonuclease H / exoribonuclease H activity / host multivesicular body / DNA integration / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency ...HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / exoribonuclease H / exoribonuclease H activity / host multivesicular body / DNA integration / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency / viral penetration into host nucleus / RNA stem-loop binding / RNA-directed DNA polymerase activity / RNA-DNA hybrid ribonuclease activity / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / host cell / viral nucleocapsid / DNA recombination / DNA-directed DNA polymerase / aspartic-type endopeptidase activity / Hydrolases; Acting on ester bonds / DNA-directed DNA polymerase activity / symbiont-mediated suppression of host gene expression / viral translational frameshifting / lipid binding / symbiont entry into host cell / host cell nucleus / host cell plasma membrane / virion membrane / structural molecule activity / proteolysis / DNA binding / zinc ion binding / membrane
Similarity search - Function
HIV Type 1 Reverse Transcriptase, subunit A, domain 1 / HIV Type 1 Reverse Transcriptase; Chain A, domain 1 / Reverse transcriptase/Diguanylate cyclase domain / Ribonuclease H-like superfamily/Ribonuclease H / Reverse transcriptase connection / Reverse transcriptase connection domain / Reverse transcriptase thumb / Reverse transcriptase thumb domain / Integrase Zinc binding domain / Zinc finger integrase-type profile. ...HIV Type 1 Reverse Transcriptase, subunit A, domain 1 / HIV Type 1 Reverse Transcriptase; Chain A, domain 1 / Reverse transcriptase/Diguanylate cyclase domain / Ribonuclease H-like superfamily/Ribonuclease H / Reverse transcriptase connection / Reverse transcriptase connection domain / Reverse transcriptase thumb / Reverse transcriptase thumb domain / Integrase Zinc binding domain / Zinc finger integrase-type profile. / Integrase-like, N-terminal / Integrase DNA binding domain / Integrase, C-terminal domain superfamily, retroviral / Integrase, N-terminal zinc-binding domain / Integrase, C-terminal, retroviral / Integrase DNA binding domain profile. / Immunodeficiency lentiviral matrix, N-terminal / gag gene protein p17 (matrix protein) / RNase H / Integrase core domain / Integrase, catalytic core / Integrase catalytic domain profile. / Retropepsin-like catalytic domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / RNase H type-1 domain profile. / Ribonuclease H domain / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Reverse transcriptase domain / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase (RT) catalytic domain profile. / Retrovirus capsid, C-terminal / Retroviral matrix protein / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / Zinc finger, CCHC-type superfamily / Zinc finger, CCHC-type / Zinc finger CCHC-type profile. / Nucleotidyltransferase; domain 5 / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily / Ribonuclease H superfamily / Ribonuclease H-like superfamily / Reverse transcriptase/Diguanylate cyclase domain / Alpha-Beta Plaits / Roll / DNA/RNA polymerase superfamily / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
Biological speciesHuman immunodeficiency virus type 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.65 Å
AuthorsTu, X. / Sarafianos, S.G. / Arnold, E.
CitationJournal: Nat.Struct.Mol.Biol. / Year: 2010
Title: Structural basis of HIV-1 resistance to AZT by excision.
Authors: Tu, X. / Das, K. / Han, Q. / Bauman, J.D. / Clark, A.D. / Hou, X. / Frenkel, Y.V. / Gaffney, B.L. / Jones, R.A. / Boyer, P.L. / Hughes, S.H. / Sarafianos, S.G. / Arnold, E.
History
DepositionNov 8, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 22, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Oct 13, 2021Group: Database references / Category: database_2 / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 1.3Sep 6, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Reverse transcriptase/ribonuclease H
B: p51 RT


Theoretical massNumber of molelcules
Total (without water)115,8832
Polymers115,8832
Non-polymers00
Water68538
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5310 Å2
ΔGint-23 kcal/mol
Surface area47530 Å2
MethodPISA
Unit cell
Length a, b, c (Å)237.066, 71.222, 94.626
Angle α, β, γ (deg.)90.00, 106.00, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein Reverse transcriptase/ribonuclease H / P66 RT


Mass: 64762.277 Da / Num. of mol.: 1 / Mutation: M41L, D67N, K70R, T215Y, K219Q, Q258C, C280S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus type 1 / Strain: BH10 / Gene: gag-pol / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: P03366, RNA-directed DNA polymerase, DNA-directed DNA polymerase, ribonuclease H
#2: Protein p51 RT


Mass: 51120.605 Da / Num. of mol.: 1 / Mutation: C280S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus type 1 / Strain: BH10 / Gene: gag-pol / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P03366
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 38 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsACCORDING TO THE AUTHORS, SOME POPULATION NATURALLY HAVE ILE IN THIS POSITION

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.31 Å3/Da / Density % sol: 62.88 %
Crystal growpH: 6.8
Details: 50 MM BIS-TRIS PROPANE, 10% PEG8000, 0.3 M (NH4)2SO4, 5% GLYCEROL, 5% SUCROSE, 20 MM MGCL2, PH 6.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277.0K

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Data collection

Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: F1
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Sep 14, 2002
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionResolution: 2.6→30 Å / Num. obs: 43254 / % possible obs: 93.1 % / Redundancy: 3.4 % / Rmerge(I) obs: 0.051
Reflection shellResolution: 2.6→2.69 Å / Redundancy: 1.8 % / Rmerge(I) obs: 0.378 / % possible all: 73.4

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
PHASERphasing
CNS1.2refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1DLO

1dlo


Resolution: 2.65→28.64 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 2741096 / Data cutoff low absF: 0 / Isotropic thermal model: GROUP / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber / Details: BULK SOLVENT MODEL USED
RfactorNum. reflection% reflectionSelection details
Rfree0.294 1288 3.1 %RANDOM
Rwork0.26 ---
obs0.26 41862 94.4 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 53.65 Å2 / ksol: 0.3 e/Å3
Displacement parametersBiso mean: 95.8 Å2
Baniso -1Baniso -2Baniso -3
1--2.4 Å20 Å221.31 Å2
2---3.34 Å20 Å2
3---5.74 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.52 Å0.46 Å
Luzzati d res low-4 Å
Luzzati sigma a0.91 Å0.88 Å
Refinement stepCycle: LAST / Resolution: 2.65→28.64 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8024 0 0 38 8062
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.009
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d23.5
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.23
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 2.65→2.82 Å / Rfactor Rfree error: 0.031 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.431 188 3 %
Rwork0.424 5996 -
obs--84.1 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2GOL.PAR
X-RAY DIFFRACTION3ION.PARAM
X-RAY DIFFRACTION4WATER_REP.PARAM

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